About the Number

138987000

138986999 ← → 138987001

2進数表記:1000010010001100010111111000

漢数字表記:一億三千八百九十八万七千

素因数分解:

2 3 × 3 2 × 5 3 × 15443 1

素因数の和:15470
約数の個数: 96
約数和(自身を含む): 469806480
約数和(自身を除く): 330819480

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 125, 150, 180, 200, 225, 250, 300, 360, 375, 450, 500, 600, 750, 900, 1000, 1125, 1500, 1800, 2250, 3000, 4500, 9000, 15443, 30886, 46329, 61772, 77215, 92658, 123544, 138987, 154430, 185316, 231645, 277974, 308860, 370632, 386075, 463290, 555948, 617720, 694935, 772150, 926580, 1111896, 1158225, 1389870, 1544300, 1853160, 1930375, 2316450, 2779740, 3088600, 3474675, 3860750, 4632900, 5559480, 5791125, 6949350, 7721500, 9265800, 11582250, 13898700, 15443000, 17373375, 23164500, 27797400, 34746750, 46329000, 69493500, 138987000]

約数ペア:
[(1, 138987000), (2, 69493500), (3, 46329000), (4, 34746750), (5, 27797400), (6, 23164500), (8, 17373375), (9, 15443000), (10, 13898700), (12, 11582250), (15, 9265800), (18, 7721500), (20, 6949350), (24, 5791125), (25, 5559480), (30, 4632900), (36, 3860750), (40, 3474675), (45, 3088600), (50, 2779740), (60, 2316450), (72, 1930375), (75, 1853160), (90, 1544300), (100, 1389870), (120, 1158225), (125, 1111896), (150, 926580), (180, 772150), (200, 694935), (225, 617720), (250, 555948), (300, 463290), (360, 386075), (375, 370632), (450, 308860), (500, 277974), (600, 231645), (750, 185316), (900, 154430), (1000, 138987), (1125, 123544), (1500, 92658), (1800, 77215), (2250, 61772), (3000, 46329), (4500, 30886), (9000, 15443)]

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